2648666159 has 4 divisors (see below), whose sum is σ = 2648810304. Its totient is φ = 2648522016.

The previous prime is 2648666143. The next prime is 2648666183. The reversal of 2648666159 is 9516668462.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2648666159 - 2⁴ = 2648666143 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2648666159.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2648666129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39647 + ... + 82880.

It is an arithmetic number, because the mean of its divisors is an integer number (662202576).

Almost surely, 2^2648666159 is an apocalyptic number.

2648666159 is a deficient number, since it is larger than the sum of its proper divisors (144145).

2648666159 is a wasteful number, since it uses less digits than its factorization.

2648666159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144144.

The product of its digits is 3732480, while the sum is 53.

The square root of 2648666159 is about 51465.1936652336. The cubic root of 2648666159 is about 1383.5952878413.

The spelling of 2648666159 in words is "two billion, six hundred forty-eight million, six hundred sixty-six thousand, one hundred fifty-nine".